
\begingroup
\centering
\begin{tabular}{lcccccc}
   \toprule
    & \multicolumn{3}{c}{\makecell{Patents \\ per 1,000 people \\ (mean = 1.02, sd = 13.31)}} & \multicolumn{3}{c}{\makecell{Breakthrough patents \\ per 1,000 people \\ (mean = 0.1, sd = 2.23)}}\\
\cmidrule(lr){2-4}  \cmidrule(lr){5-7}
                                & (1)           & (2)           & (3)           & (4)           & (5)           & (6)\\  
   \midrule 
   Surname diversity            &               &               & 0.524         &               &               & 0.071$^{***}$\\   
                                &               &               & (0.372)       &               &               & (0.019)\\   
   Log distinct surnames        & 1.021$^{***}$ & 1.310$^{***}$ & 0.768         & 0.054$^{***}$ & 0.055$^{***}$ & -0.019\\   
                                & (0.204)       & (0.234)       & (0.490)       & (0.014)       & (0.017)       & (0.017)\\   
   Surname dispersion           &               & 0.276$^{***}$ & 0.102         &               & 0.001         & -0.023$^{**}$\\   
                                &               & (0.088)       & (0.140)       &               & (0.010)       & (0.009)\\   
   Population                   & 3.624$^{***}$ & 3.617$^{***}$ & 3.593$^{***}$ & 0.725$^{***}$ & 0.725$^{***}$ & 0.722$^{***}$\\   
                                & (0.572)       & (0.581)       & (0.577)       & (0.099)       & (0.099)       & (0.098)\\   
    \\
   County-Surname fixed effects & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$\\   
   Surname-Period fixed effects & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$\\   
   State-Period fixed effects   & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$\\   
   County-specific linear trends      & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$  & $\checkmark$\\   
   Observations                 & 19,482,024    & 19,482,024    & 19,482,024    & 19,482,024    & 19,482,024    & 19,482,024\\  
   \bottomrule
\end{tabular}
\par\endgroup


